mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
119 lines
4.3 KiB
Python
119 lines
4.3 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import ipaddress
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import ssl
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from typing import List
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from typing import Callable
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from typing import Any
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from . import ValidatorError
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from . import raise_error
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from . import check_re_match
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from . import check_any
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from .basic import valid_number
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from .basic import valid_stripped_string_not_empty
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from .basic import valid_string_list
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# =====
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def valid_ip_or_host(arg: Any) -> str:
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name = "IPv4/6 address or RFC-1123 hostname"
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return check_any(
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arg=valid_stripped_string_not_empty(arg, name),
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name=name,
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validators=[
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valid_ip,
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valid_rfc_host,
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],
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)
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def valid_ip(arg: Any, v4: bool=True, v6: bool=True) -> str:
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assert v4 or v6
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validators: List[Callable] = []
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versions: List[str] = []
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if v4:
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validators.append(lambda arg: str(ipaddress.IPv4Address(arg)))
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versions.append("4")
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if v6:
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validators.append(lambda arg: str(ipaddress.IPv6Address(arg)))
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versions.append("6")
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name = f"IPv{'/'.join(versions)} address"
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return check_any(
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arg=valid_stripped_string_not_empty(arg, name),
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name=name,
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validators=validators,
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)
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def valid_net(arg: Any, v4: bool=True, v6: bool=True) -> str:
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assert v4 or v6
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validators: List[Callable] = []
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versions: List[str] = []
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if v4:
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validators.append(lambda arg: str(ipaddress.IPv4Network(arg)))
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versions.append("4")
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if v6:
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validators.append(lambda arg: str(ipaddress.IPv6Network(arg)))
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versions.append("6")
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name = f"IPv{'/'.join(versions)} network"
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if "/" not in str(arg):
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raise_error(arg, name)
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return check_any(
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arg=valid_stripped_string_not_empty(arg, name),
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name=name,
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validators=validators,
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)
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def valid_rfc_host(arg: Any) -> str:
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# http://stackoverflow.com/questions/106179/regular-expression-to-match-hostname-or-ip-address
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pattern = r"^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*" \
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r"([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$"
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return check_re_match(arg, "RFC-1123 hostname", pattern)
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def valid_port(arg: Any) -> int:
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return int(valid_number(arg, min=0, max=65535, name="network port"))
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def valid_ports_list(arg: Any) -> List[int]:
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return list(map(int, valid_string_list(arg, subval=valid_port, name="ports list")))
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def valid_mac(arg: Any) -> str:
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pattern = ":".join([r"[0-9a-fA-F]{2}"] * 6)
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return check_re_match(arg, "MAC address", pattern).lower()
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def valid_ssl_ciphers(arg: Any) -> str:
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name = "SSL ciphers"
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arg = valid_stripped_string_not_empty(arg, name)
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try:
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ssl.SSLContext().set_ciphers(arg)
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except Exception as err:
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raise ValidatorError(f"The argument {arg!r} is not a valid {name}: {err}")
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return arg
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